If 68.0 g of aspirin (C9H304) are produced
from 79.8 g of C7H603,
what is the percent yield
from the reaction below?
CyH603 (s) + C4H603 (s)
→ C9H304 (s) + HC2H302
(aq).

Flourine is found to undergo 10% radioactivity decay in 366 minutes determine its halflife

Consider the reaction: n2(g) + o2(g) ⇄ 2no(g) kc = 0.10 at 2000oc starting with initial concentrations of 0.040 mol/l of n2 and 0.040 mol/l of o2, calculate the equilibrium concentration of no in mol/l how would this be done?

Calculate the energy required to ionize a hydrogen atom to an excited state where the electron is initially in the n = 5 energy level. report your answer in kilojoules